CN208476662U - For steeping the external pressing type hollow fibrous membrane test fixture of platen press filter sizes analyzer - Google Patents
For steeping the external pressing type hollow fibrous membrane test fixture of platen press filter sizes analyzer Download PDFInfo
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- CN208476662U CN208476662U CN201820896453.0U CN201820896453U CN208476662U CN 208476662 U CN208476662 U CN 208476662U CN 201820896453 U CN201820896453 U CN 201820896453U CN 208476662 U CN208476662 U CN 208476662U
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- fiber film
- film assembly
- hollow fiber
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Abstract
The utility model discloses a kind of for steeping the external pressing type hollow fibrous membrane test fixture of platen press filter sizes analyzer characterized by comprising hollow fiber film assembly, dress sample main body, O-ring seal, seal joint, seal pressure cap.The hollow fiber film assembly for being cased with sealing ring and seal joint is mounted on the test chamber of dress sample main body, sealing ring is stuck in the sealing inclined-plane of test chamber bottom end port, is then mounted on sealing nut on the external screw thread of test chamber bottom end, and tighten.It is good that hollow fiber film assembly sealing effect is sealed using the hollow-fibre membrane fixture, easy to operate, no gas leakage risk and lower to the quality requirement of hollow-fibre membrane.
Description
Technical field
The utility model relates to steep platen press filter sizes analysis field, and in particular to for steeping platen press filter sizes analyzer
External pressing type hollow fibrous membrane test fixture.
Background technique
Compacted zone according to hollow-fibre membrane is divided into inner pressed and two kinds of external-compression type in its inner surface or outer surface
Empty fiber membrane, and then derived two kinds of hollow-fibre membrane filter membrane test fixtures of inner pressed and external-compression type.
Whether the test and characterization of the hollow-fibre membrane of inner pressed or external-compression type at present, mostly using bubble platen press aperture
Analyzer carries out.It is greater than since external pressing type hollow fibrous membrane needs to provide outer wall pressure to hollow-fibre membrane when analyzing test
The pressure difference of inner wall pressure, so carrying out needs when test characterizes to external pressing type hollow fibrous membrane using bubble platen press Porosimetry
Specific test fixture carrys out fixing seal, makes outer wall radial inflow of the gas from hollow-fibre membrane, then from hollow-fibre membrane
Middle chamber axially flows out.For the hollow-fibre membrane test fixture of standard, it is all made of the mode for squeezing sealing both at home and abroad at present
Make inner cavity and the outside sealing of hollow-fibre membrane, then provides outer wall pressure greater than the pressure difference of inner wall pressure to test its aperture point
Cloth.Using extrusion type sealed more demanding for the manufacture craft of hollow-fibre membrane filter membrane component, in addition there is also biggish
The risk of gas leakage.
Utility model content
Based on the above existing technology problems, the utility model proposes for steeping platen press filter sizes analyzer
External pressing type hollow fibrous membrane test fixture.The application of the utility model is lower for the requirement of hollow-fibre membrane manufacture craft, close
Sealing property is good, without gas leakage risk, and easily operated.
The utility model solve its technical problem the technical solution adopted is that: for steeping the outer of platen press filter sizes analyzer
Pressure type hollow fiber film test fixture characterized by comprising dress sample main body, sealing ring, seal joint, seal pressure cap, hollow
Fiber film component；
The dress sample body interior is hollow, and there is external screw thread in bottom end, and the port edges below external screw thread are sealing inclined-plane；
The O-ring seal covers outside the PU pipe of hollow fiber film assembly, and with the sealing inclined for attaching together sample lower body
Face is stuck in O-ring seal at the incline position；
The seal joint is close to end cap under sealing ring outside the PU pipe of hollow fiber film assembly；
It is internal screw thread inside the seal pressure cap, which can tighten with the external screw thread for attaching together sample main body, seal pressure cap
Top is center through-hole；
The hollow fiber film assembly is made of hollow-fibre membrane, filling glue, PU pipe, and the hollow-fibre membrane is to be measured
Sample film, the filling glue are fixed on hollow-fibre membrane to be measured in PU pipe, make the port at the both ends of hollow-fibre membrane to be measured
Separate with the outer wall of hollow-fibre membrane in the two sides of filling glue.
It is provided by the embodiment of the utility model for steeping platen press it can be seen from the technical solution that above-mentioned utility model provides
The external pressing type hollow fibrous membrane test fixture of filter sizes analyzer, it has the advantage that: sealing ring and seal joint will be cased with
Hollow fiber film assembly be mounted on dress sample main body test chamber on, sealing ring is stuck in the sealing inclined-plane of test chamber bottom end port
On, then seal pressure cap is mounted on the external screw thread of test chamber bottom end, and tighten.It is sealed using the hollow-fibre membrane fixture
Hollow fiber film assembly sealing effect is good, easy to operate, no gas leakage risk and lower to the quality requirement of hollow-fibre membrane.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical solution of the utility model embodiment
The attached drawing used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the utility model
Example, for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other accompanying drawings.
Fig. 1 is the sectional view of external-compression type vacuum tunica fibrosa test fixture；
Fig. 2 is the sectional view of hollow fiber film assembly；
1. dress sample main body in figure, 11. dress sample lower body external screw threads, the inclined-plane at 12. dress sample body port edges, 2.O type
Sealing ring, 3. seal joints, 4. seal pressure caps, the internal screw thread of 41. seal pressure caps, the central through hole of 42 seal pressure caps.
Specific embodiment
Below with reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, belongs to the protection scope of the utility model.
Shown in Fig. 1, for steeping the external pressing type hollow fibrous membrane test fixture of platen press filter sizes analyzer, feature exists
In, comprising:
Fill sample main body 1, O-ring seal 2, seal joint 3, seal pressure cap 4, hollow fiber film assembly 5.
1 inner hollow of dress sample main body, bottom end external screw thread 11 can cooperate the internal screw thread of seal pressure cap 4 to tighten, external screw thread
Port edges below 11 are that sealing inclined-plane 12 can make O-ring seal card at this location.
2 sets of the O-ring seal outside the PU pipe 53 of hollow fiber film assembly 5.
The seal joint 3, close to the lower end cap of sealing ring 2 outside the PU pipe 53 of hollow fiber film assembly 5.
It is internal screw thread 41 inside the seal pressure cap 4, top is center through-hole 42.
It is hollow fiber film assembly 5 shown in Fig. 2 characterized by comprising hollow-fibre membrane 51, filling glue 52, PU pipe
53；The hollow-fibre membrane 51 is sample to be tested film, and filling glue 52 can be such that hollow-fibre membrane 51 to be measured is fixed in PU pipe 53,
The outer wall of the port and hollow-fibre membrane 51 that make the both ends of hollow-fibre membrane 51 to be measured separates in the two sides of filling glue 52.
Shown in Fig. 1, when utility model works, the hollow-fibre membrane 51 of hollow fiber film assembly 5 is placed in dress sample main body 1
In the cavity in portion, 2 sets of O-ring seal outside the PU pipe 53 of hollow fiber film assembly 5, and with attaching together the sealing inclined of sample main body 1
Face 12 is stuck at the sealing inclined-plane 12；Seal joint 3 is managed close to the lower end cap of O-ring seal 2 in the PU of hollow fiber film assembly 5
Outside 53；Then seal pressure cap 4 is screwed on the external screw thread 11 of dress 1 lower end of sample main body, and tightened, the mistake that seal pressure cap 4 is tightened
Cheng Zhong, seal joint 3 by seal pressure cap 4 power and squeeze O-ring seal 2 and make its deformation, to realize hollow-fibre membrane
The outer wall of the sealing of component 5, two ports for making hollow-fibre membrane 51 to be measured and hollow-fibre membrane 51 is isolated in filling glue
52 two sides.When testing the pore-size distribution of hollow-fibre membrane 51, it is passed through gas pressurized to the internal cavity of dress sample main body 1,
Keep gas intracavitary by the outer wall radial inflow hollow-fibre membrane of hollow-fibre membrane 51, it is axial by hollow further along hollow-fibre membrane 51
The port at 51 both ends of tunica fibrosa is flowed out, to be measured to calculate according to outflow flow and the relationship for filling gas pressure in 1 cavity of sample main body
The pore-size distribution of hollow-fibre membrane 51.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art can readily occur in the technical scope that the utility model discloses
Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should
Subject to the scope of protection of the claims.
Claims (1)
1. the external pressing type hollow fibrous membrane test fixture for steeping platen press filter sizes analyzer characterized by comprising dress sample
Main body (1), O-ring seal (2), seal joint (3), seal pressure cap (4), hollow fiber film assembly (5)；The dress sample main body
(1) inner hollow, bottom end have external screw thread (11), and the port inside edge of external screw thread (11) below is sealing inclined-plane (12)；It is described O-shaped
Sealing ring (2) is covered in PU pipe (53) outside of hollow fiber film assembly (5), and with the sealing inclined-plane (12) for attaching together sample lower body
It is stuck in O-ring seal (2) at the incline position；The seal joint (3) is hollow and annular and shape is not occurred by external force extruding
Become, which covers in PU pipe (53) outside of hollow fiber film assembly (5), and is arranged in the O-ring seal (2)
Lower end and the seal pressure cap (4) upper end；It is internal screw thread inside the seal pressure cap (4), top is through-hole, which is less than
The diameter of the PU pipe (53) of hollow fiber film assembly (5), the seal pressure cap (4) are screwed in the external screw thread of dress sample main body (1) lower end
(11) on；The hollow fiber film assembly (5) is made of hollow-fibre membrane (51), filling glue (52), PU pipe (53), filling glue
(52) it is fixed on hollow-fibre membrane to be measured (51) in PU pipe (53), the port at the both ends of hollow-fibre membrane (51) and hollow fibre
The outer wall for tieing up film (51) separates in the two sides of filling glue (52), and the hollow-fibre membrane (51) of the hollow fiber film assembly (5) is set
In in the internal cavity of dress sample main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820896453.0U CN208476662U (en) | 2018-06-11 | 2018-06-11 | For steeping the external pressing type hollow fibrous membrane test fixture of platen press filter sizes analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820896453.0U CN208476662U (en) | 2018-06-11 | 2018-06-11 | For steeping the external pressing type hollow fibrous membrane test fixture of platen press filter sizes analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208476662U true CN208476662U (en) | 2019-02-05 |
Family
ID=65217003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820896453.0U Active CN208476662U (en) | 2018-06-11 | 2018-06-11 | For steeping the external pressing type hollow fibrous membrane test fixture of platen press filter sizes analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208476662U (en) |
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2018
- 2018-06-11 CN CN201820896453.0U patent/CN208476662U/en active Active
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